John M. Marino Jewelers, located at 100 Main St, Port Washington, NY, operates in Nassau County and specializes in custom engagement ring creation. The store, reachable at (516) 767-0079, is known for its unique designs, with staff members allegedly offering personalized services. However, customer responses have been mixed, highlighting issues with service quality. Although some appreciate the design skills and craftsmanship offered, others report negative experiences regarding customer interactions, particularly involving ring sizing and general service attitudes.

Overall, the sentiment from online customer reviews is divided. From the 10 reviews analyzed, approximately 30% reflect positive feedback, 10% are neutral, while a notable 60% express negative sentiments regarding the establishment's service.

Opening Hours:
- Monday to Friday: 10:00 AM - 5:00 PM
- Saturday: 10:00 AM - 5:00 PM
- Sunday: Closed

Best Review: A customer shared that John M. Marino Jewelers provided a beautiful custom ring-making experience, highlighting the owner's involvement and attentive nature in creating the piece.

Worst Review: Another reviewer expressed frustration over their attempts to get a ring sized, detailing a rude interaction with staff, which left them feeling unwelcome and deciding to take their business elsewhere.

* For this overview, customer feedbacks were viewed on Yelp, Google, and Facebook.